import { type AuditListOptions, type ConversationAuditEntry, type Session, type SessionStore } from '@kuralle-agents/core';
import type { QueryResult } from 'pg';
type PostgresClient = {
    query: (text: string, params?: unknown[]) => Promise<QueryResult>;
};
export type PostgresStoreOptions = {
    client: PostgresClient;
    tableName?: string;
    auditTableName?: string;
    autoMigrate?: boolean;
};
export declare class PostgresSessionStore implements SessionStore {
    private client;
    private table;
    private auditTable;
    private ready;
    constructor(options: PostgresStoreOptions);
    private init;
    get(id: string): Promise<Session | null>;
    save(session: Session): Promise<void>;
    delete(id: string): Promise<void>;
    list(userId?: string): Promise<Session[]>;
    cleanup(maxAgeMs: number): Promise<number>;
    appendAuditEntry(sessionId: string, entry: ConversationAuditEntry): Promise<void>;
    listAuditEntries(sessionId: string, opts?: AuditListOptions): Promise<ConversationAuditEntry[]>;
}
export {};